Extreme Heat Warning and Air Quality Alert in Effect for Richardson - Aug 17, 5 PM

*As of Aug 17, 5 PM local time.*

Dangerous Heat Conditions Underway

An Extreme Heat Warning, a Heat Advisory, and an Air Quality Alert are currently in effect for Richardson, Texas. The National Weather Service has issued these alerts due to dangerous heat conditions that pose significant risks to public health.

Current conditions reflect the intensity of this event. The air temperature is 104F, but the heat index makes it feel like 105F. Relative humidity stands at 23% with a dew point of 59F. Winds are light from the south at 5 mph, with gusts reaching up to 8 mph. The sky remains mostly clear.

Forecast and Safety Guidance

Today is expected to be sunny with a high near 104F. The low tonight will drop to around 82F, though temperatures may rise to about 84F overnight. There is only a 7% chance of precipitation today. Heat index values are forecast to reach as high as 104 during both the day and night.

Tomorrow will also be sunny with a high near 105F. The low tomorrow night will be around 82F, potentially rising to 85F overnight. Precipitation chances drop to just 1%. Winds may increase slightly to 5 to 10 mph from the south southwest.

The Extreme Heat Warning indicates severe severity with expected urgency. The Heat Advisory carries moderate severity and expected urgency. The Air Quality Alert has unknown severity and urgency levels. These alerts remain active until the specified times set by the NWS Fort Worth office.

Given the extreme heat index values, it is critical to stay hydrated and limit midday exertion. Check on neighbors, especially those who may be vulnerable to high temperatures. Ensure that pets have access to cool water and shade. With the added Air Quality Alert, residents with respiratory sensitivities should monitor local air quality reports and consider limiting outdoor activities if advised.

Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data

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5-day forecast / Richardson, TX